Grassy Mountain Loop

4.57 out of 5
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↑ 2,700 ft
↓ 2,800 ft
elevation (ft)

Trail Description
About this trail
The rides starts with a long fire-road climb, stay on the main road to a large grassy meadow. The road descends slightly, take the single track here to the left until you meet an old boggy 4wd road. Continue on this road until you see another single track go right at a small meadow. Follow this single track, top of the climb is about a mile then a great descent. Some steep, rocky, root drops near the top, later many bermed and banked turns. The descent ends after a series of switchbacks at the Brackett Creek Trailhead. Continue south on the paved road about 5 miles to start point.
added by chuktSingletrack
Trail Features
Trail features
  • Lift Service
  • Drinking Water
  •   Night Riding
  • Pump Track
  • Restrooms
  • Winter Fat Biking
Directions to Trailhead
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Trail Q&A
Rider Questions
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Local Info & Nearby Trails
Trail Check-ins
Trail Check-ins
what's this?
Recent Trail Check-ins     (6 total check-ins)
  Jack McNeil   on Aug 4, 2019
  Paddy Stoy   on Jul 2, 2019
  Paddy Stoy   on Jun 19, 2017
  Jared13   on Aug 10, 2015
  Sizzlin Weasel   on Jul 19, 2015
Photo & Video Gallery (2)
Trail Photos & Videos (2)
Reviews (7)


September 17, 2015
John Fisch Epic  
Review: This is a good alternative to the longer full Bangtail Divide route, especially if you are lacking in either time or fitness. It has a little over 1/2 the distance and about 2/3 of the climbing and you still get the great descent at the end.

July 8, 2014
Review: The road portion is boring with occasional traffic including logging trucks. Single track downhill is excellent, but the trail sees relatively heavy use.

Similar Trail: Lick Creek to Hood Creek

Granny Gear

July 8, 2013
Asa Granny Gear  
Review: Nice loop. The climb on the road wasn't crushing. When you arrive at the meadow, the road splits. Take the left and the trail crosses the road in a 1/4 mile. Go left (downhill) for the shorter option. There where quite a few mud puddles in the trail due to recent rain. Fun ride, some great views and wild flowers.


February 20, 2012
abegold Doubletrack  
Review: The road climb didn't deter me from the beautiful singletrack of the descent. Lush forest nad green grass, a real treat for a desert rat. It's been 8 years so the trail memory is vague.

Similar Trail: Emerald Lake, Hylite Lake


October 19, 2010
Review: This is part of a larger trail called Bangtail Divide. The full trail is about 23.5 miles long... probably 95% singletrack. You can start at either end; Brackett Creek or Stone Creek. Stone Creek is a few miles closer to Bozeman on Bridger Canyon rd. Different folks have different preferences as to which way to ride it but it's fun both ways. Not having a shuttle causes either a ~10 mile road ride or 23.5 mile trail ride back to the car.

Similar Trail: Don't know many that compare

Granny Gear

July 19, 2010
rth009 Granny Gear  
Review: Nice somewhat long but easy climb on a forest road to get you warmed up for a killer descent. Add in great scenery and close proximity to Bozone Brewing in Bozeman and you've got yourself**reat day. If you're up for more than the 16 miles, you can hang a right on the Bangtail Divide trail at the top on Grassy Mountain before you turn around and ride the descent to Bracket Creek trailhead. The 5 miles of road ride at the end is a piece of cake, 2 small climbs before 2-3 miles of downhill with excellent view of the Bridger Range on your right. Good times.

Similar Trail: Bangtail Divide


June 2, 2009
chukt Singletrack  
Review: This trail is super fun. Long technically easy climb. Great singletrack downhill that leaves that 12 year old grin on your face.

Grassy Mountain Loop MTB Trail 4.57 out of 5 based on 7 ratings. 7 user reviews.
Trail Conditions
Trail Conditions          < / > embed